diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index ccc99cd23f3c..9ed65191888e 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -1087,6 +1087,9 @@ static const char *hist_field_name(struct hist_field *field,
 {
 	const char *field_name = "";
 
+	if (WARN_ON_ONCE(!field))
+		return field_name;
+
 	if (level > 1)
 		return field_name;